JP2944411B2 - ピット／グルーブ判別回路 - Google Patents

ピット／グルーブ判別回路

Info

Publication number
JP2944411B2
JP2944411B2 JP6050730A JP5073094A JP2944411B2 JP 2944411 B2 JP2944411 B2 JP 2944411B2 JP 6050730 A JP6050730 A JP 6050730A JP 5073094 A JP5073094 A JP 5073094A JP 2944411 B2 JP2944411 B2 JP 2944411B2
Authority
JP
Japan
Prior art keywords
signal
output signal
pit
groove
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP6050730A
Other languages
English (en)
Japanese (ja)
Other versions
JPH07262561A (ja
Inventor
信二 栗原
賢治 中尾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Denki Co Ltd
Original Assignee
Sanyo Denki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Denki Co Ltd filed Critical Sanyo Denki Co Ltd
Priority to JP6050730A priority Critical patent/JP2944411B2/ja
Priority to TW084101019A priority patent/TW350066B/zh
Priority to EP95301887A priority patent/EP0674311B1/en
Priority to US08/407,563 priority patent/US5541907A/en
Priority to KR1019950005933A priority patent/KR0168450B1/ko
Priority to DE69512114T priority patent/DE69512114T2/de
Priority to DK95301887T priority patent/DK0674311T3/da
Priority to CN95103011A priority patent/CN1061457C/zh
Publication of JPH07262561A publication Critical patent/JPH07262561A/ja
Application granted granted Critical
Publication of JP2944411B2 publication Critical patent/JP2944411B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • G11B11/10563—Access of indexed parts
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10595—Control of operating function
    • G11B11/10597—Adaptations for transducing various formats on the same or different carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP6050730A 1994-03-22 1994-03-22 ピット／グルーブ判別回路 Expired - Fee Related JP2944411B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP6050730A JP2944411B2 (ja) 1994-03-22 1994-03-22 ピット／グルーブ判別回路
TW084101019A TW350066B (en) 1994-03-22 1995-02-08 Pit/groove destinguishing circuit
US08/407,563 US5541907A (en) 1994-03-22 1995-03-21 Circuit for discriminating pre-mastered pits and pre-mastered grooves on optical disk
KR1019950005933A KR0168450B1 (ko) 1994-03-22 1995-03-21 피트/글루브 판별 회로
EP95301887A EP0674311B1 (en) 1994-03-22 1995-03-21 Circuit for discriminating pre-mastered pits and pre-mastered grooves on optical disk
DE69512114T DE69512114T2 (de) 1994-03-22 1995-03-21 Diskriminierungsschaltung für die vorgefertigten Master-Pits und die vorgefertigten Master-Rillen auf einer optischen Platte
DK95301887T DK0674311T3 (da) 1994-03-22 1995-03-21 Kredsløb til diskriminering mellem forudfremstillede huller og forudfremstillede riller på en optisk disk
CN95103011A CN1061457C (zh) 1994-03-22 1995-03-22 坑/纹道判别电路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6050730A JP2944411B2 (ja) 1994-03-22 1994-03-22 ピット／グルーブ判別回路

Publications (2)

Publication Number Publication Date
JPH07262561A JPH07262561A (ja) 1995-10-13
JP2944411B2 true JP2944411B2 (ja) 1999-09-06

Family

ID=12866977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6050730A Expired - Fee Related JP2944411B2 (ja) 1994-03-22 1994-03-22 ピット／グルーブ判別回路

Country Status (8)

Country Link
US (1) US5541907A (zh)
EP (1) EP0674311B1 (zh)
JP (1) JP2944411B2 (zh)
KR (1) KR0168450B1 (zh)
CN (1) CN1061457C (zh)
DE (1) DE69512114T2 (zh)
DK (1) DK0674311T3 (zh)
TW (1) TW350066B (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0176557B1 (ko) * 1996-01-08 1999-04-15 김광호 광디스크 시스템에 있어서 디스크 판별방법 및 장치
KR0176569B1 (ko) * 1996-01-29 1999-04-15 김광호 광디스크 시스템에 있어서 두께가 다른 디스크간의 자동판별방법 및 장치
KR100197631B1 (ko) * 1996-11-29 1999-06-15 윤종용 트래킹밸런스 보정장치
JP3690177B2 (ja) 1999-02-22 2005-08-31 三菱電機株式会社 ディスク装置
JP4315530B2 (ja) 1999-07-29 2009-08-19 富士通株式会社 非接触ｉｃカードデバイスのための検波回路
US6600344B1 (en) * 2000-06-26 2003-07-29 Motorola, Inc. Predistortion circuit for RF detector
KR100708101B1 (ko) * 2000-09-05 2007-04-16 삼성전자주식회사 비디오신호 처리 ｉｃ의 엔벨로프 검출 회로 배치 설계 방법 및 이를 이용한 ｉｃ
US20050156322A1 (en) * 2001-08-31 2005-07-21 Smith Lee J. Thin semiconductor package including stacked dies
JP5238984B2 (ja) * 2009-05-29 2013-07-17 セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー レベルシフト回路
JP6195698B2 (ja) 2012-06-11 2017-09-13 サターン ライセンシング エルエルシーＳａｔｕｒｎ Ｌｉｃｅｎｓｉｎｇ ＬＬＣ 表示装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539664A (en) * 1978-08-25 1985-09-03 Matsushita Electric Industrial Co., Ltd. Control system for optical information signal reproduction device
JPS59117740A (ja) * 1982-12-24 1984-07-07 Hitachi Ltd ビデオデイスクプレ−ヤ
JPS59140642A (ja) * 1983-01-31 1984-08-13 Canon Inc トラツキングエラ−信号検出装置
US4879707A (en) * 1985-07-30 1989-11-07 Laser Magnetic Storage International Company Optical disk tracking and seeking systems specific track formats using discontinuities
JPH083942B2 (ja) * 1986-11-20 1996-01-17 株式会社リコー 情報記録再生装置
JPS63184944A (ja) * 1987-01-28 1988-07-30 Nec Corp 光磁気記録再生装置
JPH0654554B2 (ja) * 1987-03-26 1994-07-20 日本電気株式会社 光磁気再生装置
US4989190A (en) * 1987-07-20 1991-01-29 Oki Electric Industry Co., Ltd. Apparatus for seeking a track of an optical disk in which information is recorded
US5166916A (en) * 1988-12-14 1992-11-24 Asahi Kogaku Kogyo Kabushiki Kaisha Automatic gain control apparatus
JP2600402B2 (ja) * 1989-11-20 1997-04-16 松下電器産業株式会社 光ディスク信号再生装置
JP2809835B2 (ja) * 1990-07-30 1998-10-15 松下電器産業株式会社 光ディスク装置および光ディスク

Also Published As

Publication number Publication date
DK0674311T3 (da) 2000-04-03
TW350066B (en) 1999-01-11
KR0168450B1 (ko) 1999-03-20
EP0674311A2 (en) 1995-09-27
US5541907A (en) 1996-07-30
JPH07262561A (ja) 1995-10-13
EP0674311A3 (en) 1996-01-03
CN1134011A (zh) 1996-10-23
DE69512114T2 (de) 1999-12-30
EP0674311B1 (en) 1999-09-15
DE69512114D1 (de) 1999-10-21
KR950034125A (ko) 1995-12-26
CN1061457C (zh) 2001-01-31

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